6964714: NetworkInterface getInetAddresses enumerates IPv6 addresses if java.net.preferIPvStack property set
Summary: User can disable ipv6 explicitly, have to check it
Reviewed-by: chegar, alanb
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/*
* @test
*
* @bug 6425815
*
* @summary java.net.MulticastSocket.setTimeToLive(255) reports 'Socket closed' (WinXP, IPv6)
*
*/
import java.net.*;
import java.io.IOException;
public class B6425815 {
public static void main(String[] args) throws Exception {
InetAddress ia;
MulticastSocket ms;
try {
ia = InetAddress.getByName("::1");
ms = new MulticastSocket(new InetSocketAddress(ia, 1234));
} catch (Exception e) {
// If this fails, it means the system doesn't have IPV6
// support, therefore this test shouldn't be run.
ia = null;
ms = null;
}
if (ms != null) {
ms.setTimeToLive(254);
if (ms.getTimeToLive() != 254) {
throw new RuntimeException("time to live is incorrect!");
}
ms.close();
}
}
}